109 lines
3.8 KiB
Go
109 lines
3.8 KiB
Go
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package model
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import (
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"one-api/common"
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"gorm.io/gorm"
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)
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// Model 用于存储模型的元数据，例如描述、标签等
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// ModelName 字段具有唯一性约束，确保每个模型只会出现一次
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// Tags 字段使用逗号分隔的字符串保存标签集合，后期可根据需要扩展为 JSON 类型
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// Status: 1 表示启用，0 表示禁用，保留以便后续功能扩展
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// CreatedTime 和 UpdatedTime 使用 Unix 时间戳（秒）保存方便跨数据库移植
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// DeletedAt 采用 GORM 的软删除特性，便于后续数据恢复
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//
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// 该表设计遵循第三范式（3NF）：
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// 1. 每一列都与主键（Id 或 ModelName）直接相关
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// 2. 不存在部分依赖（ModelName 是唯一键）
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// 3. 不存在传递依赖（描述、标签等都依赖于 ModelName，而非依赖于其他非主键列）
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// 这样既保证了数据一致性，也方便后期扩展
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type BoundChannel struct {
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Name string `json:"name"`
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Type int `json:"type"`
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}
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type Model struct {
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Id int `json:"id"`
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ModelName string `json:"model_name" gorm:"uniqueIndex;size:128;not null"`
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Description string `json:"description,omitempty" gorm:"type:text"`
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Tags string `json:"tags,omitempty" gorm:"type:varchar(255)"`
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VendorID int `json:"vendor_id,omitempty" gorm:"index"`
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Endpoints string `json:"endpoints,omitempty" gorm:"type:text"`
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Status int `json:"status" gorm:"default:1"`
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CreatedTime int64 `json:"created_time" gorm:"bigint"`
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UpdatedTime int64 `json:"updated_time" gorm:"bigint"`
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DeletedAt gorm.DeletedAt `json:"-" gorm:"index"`
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BoundChannels []BoundChannel `json:"bound_channels,omitempty" gorm:"-"`
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}
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// Insert 创建新的模型元数据记录
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func (mi *Model) Insert() error {
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now := common.GetTimestamp()
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mi.CreatedTime = now
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mi.UpdatedTime = now
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return DB.Create(mi).Error
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}
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// Update 更新现有模型记录
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func (mi *Model) Update() error {
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mi.UpdatedTime = common.GetTimestamp()
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return DB.Save(mi).Error
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}
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// Delete 软删除模型记录
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func (mi *Model) Delete() error {
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return DB.Delete(mi).Error
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}
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// GetModelByName 根据模型名称查询元数据
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func GetModelByName(name string) (*Model, error) {
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var mi Model
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err := DB.Where("model_name = ?", name).First(&mi).Error
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if err != nil {
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return nil, err
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}
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return &mi, nil
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}
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// GetAllModels 分页获取所有模型元数据
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func GetAllModels(offset int, limit int) ([]*Model, error) {
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var models []*Model
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err := DB.Offset(offset).Limit(limit).Find(&models).Error
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return models, err
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}
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// GetBoundChannels 查询支持该模型的渠道（名称+类型）
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func GetBoundChannels(modelName string) ([]BoundChannel, error) {
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var channels []BoundChannel
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err := DB.Table("channels").
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Select("channels.name, channels.type").
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Joins("join abilities on abilities.channel_id = channels.id").
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Where("abilities.model = ? AND abilities.enabled = ?", modelName, true).
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Group("channels.id").
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Scan(&channels).Error
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return channels, err
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}
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// SearchModels 根据关键词和供应商搜索模型，支持分页
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func SearchModels(keyword string, vendor string, offset int, limit int) ([]*Model, int64, error) {
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var models []*Model
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db := DB.Model(&Model{})
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if keyword != "" {
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like := "%" + keyword + "%"
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db = db.Where("model_name LIKE ? OR description LIKE ? OR tags LIKE ?", like, like, like)
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}
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if vendor != "" {
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db = db.Joins("JOIN vendors ON vendors.id = models.vendor_id").Where("vendors.name LIKE ?", "%"+vendor+"%")
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}
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var total int64
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err := db.Count(&total).Error
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if err != nil {
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return nil, 0, err
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}
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err = db.Offset(offset).Limit(limit).Order("id DESC").Find(&models).Error
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return models, total, err
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}
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